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Hosting check

Who hosts coursera.org?

coursera.org is behind Amazon CloudFront, which hides the origin host. DNS by Amazon Route 53. Email by Google Workspace.

Checked 14 Oct 2026 at 10:40 UTC

  1. Domaincoursera.org
  2. DNSAmazon Route 53
  3. EmailGoogle Workspace
  4. CDNAmazon CloudFront
  5. NetworkAmazon Web Services
  6. Server3.174.113.95

Server

3.174.113.95

Amazon.com, Inc. · AS16509

🇫🇮Helsinki, Finland

Checks

4 of 6 checks pass

Warnings are worth a look, but nothing is broken.

Hosting provider

Low confidence

Amazon CloudFront

CDN

Origin host hidden. A CDN answers for this site and hides the origin server, so the real host is not visible from outside.

  • CDN
    Amazon CloudFrontaws.amazon.com

    Answers every request and forwards it to an origin server it does not reveal. The IP address below belongs to the CDN.

  • Network
    Amazon Web ServicesAS16509 · 3.174.112.0/21aws.amazon.com

    Owns the IP address that answered our lookup.

How we know

5 signals
  • NetworkAS16509Amazon Web Services
  • Reverse DNSserver-3-174-113-95.hel51.r.cloudfront.netAmazon CloudFront
  • Headerx-amz-cf-id: MoWIrVrleyzQqvXfYZrRMgzBRjH8Tf8FSmMPpjeKGA44GvQebuWjsA==Amazon CloudFront
  • Headerx-amz-cf-pop: HEL51-P6Amazon CloudFront
  • Headervia: 1.1 5a9c1db898be8109d3d817e98e0b9d42.cloudfront.net (CloudFront)Amazon CloudFront

IP & network

3.174.113.95 · Helsinki

IP address
3.174.113.95
Reverse DNS
server-3-174-113-95.hel51.r.cloudfront.net
Network
Amazon.com, Inc.AS16509 · business
Route
3.174.112.0/21
Location
Helsinki, Uusimaa, Finland
Timezone
Europe/Helsinki
Coordinates, postal code and company

Geolocation describes the network's registered location, not a street address. For a data center IP the postal code and coordinates are approximate.

Coordinates
60.1695,24.9354
Postal code
00100
Country code
FI

DNS records

60 records in 5 types

  • A

    4 records

    IPv4 addresses the name points to

    • 3.174.113.95
    • 3.174.113.59
    • 3.174.113.27
    • 3.174.113.52
  • NS

    4 records

    Nameservers that answer for the zone

    • ns-1481.awsdns-57.org
    • ns-1590.awsdns-06.co.uk
    • ns-258.awsdns-32.com
    • ns-688.awsdns-22.net
  • MX

    7 records

    Mail servers, lowest priority first

    • 10 aspmx.l.google.com
    • 20 alt1.aspmx.l.google.com
    • 20 alt2.aspmx.l.google.com
    • 30 aspmx2.googlemail.com
    • 30 aspmx3.googlemail.com
    • 30 aspmx4.googlemail.com
    • 30 aspmx5.googlemail.com
  • SOA

    1 record

    Zone authority: primary nameserver, admin mailbox and timers

    • ns-1590.awsdns-06.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
  • TXT

    44 records

    1 SPF policy, 39 ownership proofs, 4 other

    • 376174617-10056694
    • BthfBdp8W7Bqmm87eNGy
    • MS=ms91657421
    • anthropic-domain-verification-r913z0=qHfIpP1D8b5nWxj2rpstnqRZ1

SSL certificate

Valid, 145 days left
Today
Issued23 Aug 2026Expires08 Mar 2027
Status
Valid certificateTrusted by browsers and covers coursera.org. Expires in 145 days.
Issuer
Amazon (Amazon RSA 2048 M04)
Common name
coursera.org
Protocol
TLSv1.3
Valid from
August 23, 2026 at 12:00 AM UTC
Valid to
March 8, 2027 at 11:59 PM UTCExpires in 145 days

Covered hostnames

2 names
  • coursera.org
  • *.coursera.org

Certificate chain

4 certificates
  1. coursera.org

    Server certificate · Issued by Amazon (Amazon RSA 2048 M04) · Valid to 08 Mar 2027

  2. Amazon (Amazon RSA 2048 M04)

    Intermediate · Issued by Amazon (Amazon Root CA 1) · Valid to 23 Aug 2030

  3. Amazon (Amazon Root CA 1)

    Intermediate · Issued by Starfield Technologies, Inc. (Starfield Services Root Certificate Authority - G2) · Valid to 31 Dec 2037

  4. Starfield Technologies, Inc. (Starfield Services Root Certificate Authority - G2)

    Root · Valid to 31 Dec 2037

Serial number and fingerprints
Serial number
0A66B483E3FAE5A45B2E5A8E69E5E8CB
SHA-256
ED:8B:54:6C:9A:AF:E4:5B:C6:3A:19:70:09:78:C3:D2:B2:16:43:A9:E6:7A:FB:E6:8F:77:0B:A9:62:20:75:32
SHA-1
76:AA:8D:E2:C3:A4:22:15:AE:67:D2:49:81:5A:A2:C9:27:A3:35:E9

Domain registration

Registered 12 Jan 2012

Expires in 89 days

Registration data for coursera.org, from the registry's RDAP or WHOIS service.

Today
Registered12 Jan 2012Expires12 Jan 2027
Registrar
GoDaddy.com, LLCIANA ID 146
Registered
12 Jan 201214 years, 9 months old
Expires
12 Jan 2027Expires in 89 days
Last updated
12 Aug 2026
DNSSEC
Unsigned
Abuse email
abuse@godaddy.com
Abuse phone
+1.4806242505

Nameservers

4 nameservers
  • ns-1481.awsdns-57.org
  • ns-1590.awsdns-06.co.uk
  • ns-258.awsdns-32.com
  • ns-688.awsdns-22.net

Source:rdap.publicinterestregistry.org

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